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/*
* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package compiler.predicates;
import compiler.lib.ir_framework.*;
import jdk.test.lib.Asserts;
/*
* @test
* @bug 8325451
* @summary Test basic loop predicates
* @library /test/lib /
* @run driver compiler.predicates.TestPredicatesBasic
*/
public class TestPredicatesBasic {
public static final int size = 100;
public static void main(String[] args) {
TestFramework.run();
}
@DontInline
private void blackhole(int i) {}
@DontInline
private int[] getArr() {
int[] arr = new int[size];
for (int i = 0; i < size; ++i) {
arr[i] = i;
}
return arr;
}
@Test
// Null check, loop entrance check, array upper bound check
@IR(counts = {IRNode.IF, "3"})
public void basic() {
int[] arr = getArr();
for (int i = 0; i < arr.length; ++i) {
blackhole(arr[i]);
}
}
@Test
// Null check, loop entrance check, array upper bound check
@IR(counts = {IRNode.IF, "4"})
public void basicMinus() {
int[] arr = getArr();
for (int i = 0; i < arr.length - 1; ++i) {
blackhole(arr[i]);
}
}
@Test
// Null check, loop entrance check, array lower/upper bound check
@IR(counts = {IRNode.IF, "4"})
public void basicNeg() {
int[] arr = getArr();
for (int i = arr.length - 1; i >= 0; --i) {
blackhole(arr[i]);
}
}
@Test
@Arguments(values = {Argument.NUMBER_42})
// Null check, loop entrance check, array lower/upper bound check
@IR(counts = {IRNode.IF, "4"})
public void basicLimit(int limit) {
int[] arr = getArr();
for (int i = 0; i < limit; ++i) {
blackhole(arr[i]);
}
}
}
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